期刊
SCIENCE OF ADVANCED MATERIALS
卷 13, 期 2, 页码 342-351出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/sam.2021.3894
关键词
Spindle beta-FeOOH Nanostructures; Glycerol-Assisted Formation Mechanism; Adsorption; Water Treatment; Congo Red
资金
- key research and development program of Shandong Province [2019GSF109116, 2018GGX102032]
- Natural Science Foundation of Shandong Province [ZR2018LB026]
- National Natural Science Foundation of China [21777055]
Spindle-shaped beta-FeOOH nanostructures were successfully prepared using a facile, green, and glycerol-assisted solvothermal process. The nanostructures exhibited uniform particle size and high adsorption capacity, making them a promising low-cost nanomaterial for efficient removal of organic pollutants from wastewater.
Spindle-shaped beta-FeOOH nanostructures have been successfully prepared by a facile, green, and glycerol assisted solvothermal process. The spindle-like nanostructures are 25-45 nm in width and 80-180 nm in length, embracing uniform particle size. The formation mechanism of the spindle-shaped beta-FeOOH, as well as the effect of glycerol and solvothermal temperatures, has been investigated in detail. The N-2 sorption results revealed that the beta-FeOOH samples possess a large surface area (178.73 m(2).g(-1)) and characteristic mesoporous structures. The XPS analysis showed that as-obtained samples have many Fe-OH groups, which is benifical for Congo red (CR) adsorption. Furthermore, the obtained samples have shown superior performance for highly concentrated CR adsorption with a maximum adsorption capacity of 714.29 mg/g. It indicates that the spindle-shaped beta-FeOOH products can be potentially as a low-cost nanomaterial for efficient removal of poisonous organic pollutants from wastewater.
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